KeyValuePair (C#)

KeyValuePair

A generic value type in System.Collections.Generic that stores a key together with its associated value as a single pair. Domain: C# → .NET → System.Collections.Generic → Key-Value Pairs

TKey

The generic type parameter that specifies the type of the KeyValuePair's key.

TValue

The generic type parameter that specifies the type of the KeyValuePair's value.

new KeyValuePair

Creates a KeyValuePair containing the specified key and value.

pair.Key

Gets the key stored in a KeyValuePair.

pair.Value

Gets the value stored in a KeyValuePair.

KeyValuePair as a Dictionary Entry

Each element obtained when enumerating a Dictionary

KeyValuePair Enumeration

Enumerating a Dictionary allows each KeyValuePair to expose the current entry's key through Key and its associated value through Value.

KeyValuePair Is a Value Type

KeyValuePair

KeyValuePair Is Read-Only

A KeyValuePair's Key and Value properties cannot be directly reassigned after the pair has been created.

KeyValuePair Deconstruction

A KeyValuePair can be deconstructed into separate key and value variables using deconstruction syntax.

var (key, value) = pair

C# syntax that deconstructs a KeyValuePair into separate variables containing its key and value.

foreach (KeyValuePair

Explicitly enumerates the entries of a Dictionary

foreach (var pair in dictionary)

Enumerates dictionary entries while allowing the compiler to infer the corresponding KeyValuePair

KeyValuePair vs Dictionary

A Dictionary

KeyValuePair.ToString()

Returns a string representation of the key-value pair.